tsearch2 and wildcards/pattern matching? - Mailing list pgsql-sql

From Peter Koczan
Subject tsearch2 and wildcards/pattern matching?
Date
Msg-id AANLkTimyzy0PZpnqAraoymmVnNBOZlFtFDWtAP9n5ADS@mail.gmail.com
Whole thread Raw
Responses Re: tsearch2 and wildcards/pattern matching?  (Oleg Bartunov <oleg@sai.msu.su>)
List pgsql-sql
Hi all,

Is there any sort of pattern matching or partial matching capability
in tsearch2?

I'd like to be able search for a common prefix (like for order
numbers). For instance, tsearch2 will index 'zvt123456' or
'zvt555555', but I'd like to be able to find both of them in one query
using something akin to 'zvt%', like

select * from attachments where textsearchable @@ 'zvt%';

I've been unable to find anything in documentation. If there's
anything in tsearch2 that can do this and is faster than LIKE clauses
on full-text, that would be fantastic.

Cheers,
Peter


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